oracle.apps.jtf.base.resources.FrameworkException: IAS Cache initialization failed. The Distributed Caching System failed to initialize on port: 12345. The list of hosts in the distributed caching system is: 10.100.154.193 192.168.155.54 10.100.154.192 192.168.155.55 . The port 12345 should be free on each host running the JVMs.